Prof. Jarke is active in leading positions within the interdisciplinary Competence Centre for Sign Language and Gesture (SignGes) of excellence university RWTH Aachen University.

Fraunhofer FIT headquarters are located in Sankt Augustin and Aachen. Remote offices and project groups are attached to Augsburg University and Bayreuth University, Siegen University, University of Münster and Hamm-Lippstadt University of Applied Sciences. Permanent links through former Fraunhofer FIT researchers or honorary professorships also exist to the universities of Bamberg, Duisburg-Essen, Koblenz, Ilmenau, Heerlen (The Netherlands), and many Universities of Applied Sciences in our region.